If X, the Time (In Minutes)to Complete an Change Job $\le$

question 64

Multiple Choice

If x, the time (in minutes) to complete an change job at certain auto service station, is uniformly distributed over the interval 20 to 30, inclusively (20 $\le$ x $\le$ 30) , then the probability that an oil change job is completed in 33 to 35 minutes, inclusively, i.e., P(33 $\le$ x $\le$ 35) is __________________.

• A)0.5080
• B)0.000
• C)0.375
• D)0.200
• E)1.000

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Definitions:

Underlying Stability

The inherent steadiness or lack of variation in a system or process over time.

Sales Force Composite

A forecasting technique based on salespersons’ estimates of expected sales.

Salespersons' Estimates

Projections of future sales based on the assessments and experiences of a company's salesforce, often used in planning and budgeting.

Demand Forecasts

Predictions about future customer demand for a product or service, based on historical data and future projections.